Home / Guides / Plastic Part Design

Plastic Part Design Guidelines

DFM guidelines for injection molded parts

Key Design Parameters

Feature	Guideline
Wall Thickness	1-4 mm, uniform preferred
Rib Height	Max 3x wall thickness
Rib Thickness	50-70% of wall thickness
Corner Radius	Min 0.5x wall thickness
Draft Angle	0.5-2 degrees minimum